interest in afghanistan. it does not want to have a hostile afghanistan at its back. and, therefore, whether it wants to or not have to take responsibility for afghanistan. the american goal is that al qaeda should not be in afghanistan, but al qaeda is in yemen, somalia and cleveland trend what the point is if you look at south asia, do you disagree with those who consider pakistan and the pakistan-afghan to really be the most dangerously unstable part of the world? >> guest: i would not quote them as dangerous and stable part of the world. i think iran is potentially more, but it's not worth having -- it is certainly, the question had to get back into shape? de- stabilizing pakistan to the point that it collapses i don't think would create the security, making it the responsibly of pakistan, you know, make it what it is the it is a more interesting outcome. but the problem is that we have to ask more fundamental question. why are we in afghanistan, what was the strategy that president obama had in mind? president bush's strategy was a more modest one upholding key a